Gerald suffers from hemophilia,a blood-clotting disorder.He understands that the gene responsible for this disorder is carried by females but usually affects only males.This is an example of _______ inheritance.

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Sex-linked inheritance refers to a gene that is located on one of the sex chromosomes (usually the X chromosome) and is therefore more common in one sex than the other. Hemophilia is caused by a recessive gene on the X chromosome, so females can be carriers of the gene but are usually not affected by the disorder themselves. However, males only have one X chromosome and if they inherit the hemophilia gene, they will develop the disorder.

Gerald Suffers from Hemophilia,a Blood-Clotting Disorder